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PhysicsModern PhysicsAtomic structureEasy2 minQB

PhysicsEasysingle choice

The wavelength of the photon emitted by a hydrogen atom when an electron makes a transition from $n = 2$ to $n = 1$ state is:

Answer:

Solution:

$\frac{1}{λ} = R (\frac{1}{1 ^{2}} - \frac{1}{2 ^{2}})$

$λ = 121.8 nm$

Stream:JEESubject:PhysicsTopic:Modern PhysicsSubtopic:Atomic structure

⏱ 2mℹ️ Source: QB

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